Everyone agreed on the first step: Solve inside the parentheses, for 2+2=4. But after that, people split down two paths. Some multiplied first, while others divided, leading to different answers—1 and ...

Oh, no, math wants us to solve it's problems again... The equation is even stumping mathematicians, with some people adamant about the answer being 1 while others swear it's 16. And this equals 4. Now ...

You probably think you're smarter than a middle schooler. If you want to know for sure, try your hand at this basic math problem. It's harder than it looks — even if you think you have a solid grasp ...